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Littérature scientifique sur le sujet « Sac shrinkage »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Sac shrinkage"

Antoniou, George A., Aws Alfahad, Stavros A. Antoniou, and Francesco Torella. "Prognostic Significance of Aneurysm Sac Shrinkage After Endovascular Aneurysm Repair." Journal of Endovascular Therapy 27, no. 5 (2020): 857–68. http://dx.doi.org/10.1177/1526602820937432.

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Purpose: To investigate whether patients who develop aneurysm sac shrinkage following endovascular aneurysm repair (EVAR) have better outcomes than patients with a stable or increased aneurysm sac. Materials and Methods: The Healthcare Databases Advanced Search interface developed by the National Institute for Health and Care Excellence was used to interrogate MEDLINE and EMBASE. Thesaurus headings were adapted accordingly. Case-control studies were identified comparing outcomes in patients demonstrating aneurysm sac shrinkage after EVAR with those of patients with a stable or expanded aneurys

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Nong, Xinzhong, Yanmei Yuan, Juan He, Yuehua Liang, Dian Wang, and Qi Liu. "Study on the Strength, Permeability, and Drying Shrinkage of Mortar with Portland Cement and Sulphoaluminate Cement." Journal of Physics: Conference Series 2679, no. 1 (2024): 012011. http://dx.doi.org/10.1088/1742-6596/2679/1/012011.

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Abstract Adding sulphoaluminate cement (SAC) to Portland cement (PC) can affect the growth of hydration products and further affect the properties of the matrix. In this paper, the influence of SAC content on the impermeability, drying shrinkage and strength of mortar was studied by replacing PC with no more than 20% SAC. The results show that with the increase of SAC content, acicular ettringite (AFt) in cement stone gradually decreases, the compressive and flexural strength of mortar decreased first and then increased, and the strength was lowest when the content of SAC was 10%. The addition

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Zimmermann, Alexander, Daniela Reitnauer, Yankey Yundung, et al. "Different Proteins as Biomarkers for Sac Shrinkage After Endovascular Aortic Repair of Abdominal Aortic Aneurysms." Journal of Cardiovascular Development and Disease 11, no. 11 (2024): 374. http://dx.doi.org/10.3390/jcdd11110374.

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Background: This study aims to identify circulating biomarkers by using proteomic analysis associated with sac shrinkage or expansion in patients undergoing endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms (AAAs). Methods: Plasma samples were analysed from 32 patients treated with EVAR between 10/2009 and 10/2020. Patients were divided into two groups based on postoperative sac behaviour: sac shrinkage (≥5 mm reduction) and no shrinkage (stabilisation or expansion). Proteomic analysis was performed using high-resolution liquid chromatography-tandem mass spectrometry (LC-MS/MS

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Ali Türkcü, Mehmet, Emre Külahcıoğlu, and Hakkı Zafer İşcan. "[MSB-51] Thrombus Localization and Its Impact on Aneurysm Sac Volume Shrinkage and Lumbar Artery Count After Endovascular Aortic Aneurysm Repair." Turkish Journal of Thoracic and Cardiovascular Surgery 32, no. 4 (2024): 76. https://doi.org/10.5606/tgkdc.dergisi.2024.msb-51.

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Objective: This study aimed to investigate the relationship between thrombus localization, sac volume shrinkage, and the number of patent lumbar arteries following endovascular aortic aneurysm repair (EVAR). Methods: A total of 143 patients who underwent elective EVAR were included in the study. Preoperative and postoperative thrombus volume and localization were assessed, along with lumbar artery counts. Thrombus was categorized as either anterior, posterior, circular, or absent. A postoperative sac volume reduction ≥10% was considered positive remodeling. Results: Results demonstrated that p

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Ali Türkcü, Mehmet, Emre Külahcıoğlu, and Hakkı Zafer İşcan. "[MSB-51] Thrombus Localization and Its Impact on Aneurysm Sac Volume Shrinkage and Lumbar Artery Count After Endovascular Aortic Aneurysm Repair." Cardiovascular Surgery and Interventions 11, no. 100 (2024): 54. https://doi.org/10.5606/e-cvsi.2024.msb-51.

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van Merrienboer, Tara A. R., Veerle Warlich, Suzanne Holewijn, Wouter Driessen, Kak K. Yeung, and Michel M. P. J. Reijnen. "The Impact of Diabetes Mellitus and Metformin Use on Outcomes After Endovascular Aneurysm Repair." Journal of Clinical Medicine 14, no. 1 (2025): 295. https://doi.org/10.3390/jcm14010295.

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Objective: To study the influence of diabetes mellitus (DM) and metformin treatment on aneurysm sac remodeling after endovascular aneurysm repair (EVAR). Methods: A retrospective single-center cohort analysis was conducted on consecutive patients who underwent elective EVAR for an infrarenal abdominal aortic aneurysm (AAA) between January 2011 and December 2021. Differences between study groups were analyzed and Kaplan–Meier analysis were employed to describe overall and reintervention-free survival. Cox regression analysis was performed to identify predictors of sac shrinkage. Results: A tota

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Taneva, Gergana T., Omid Shafe, Giovanni B. Torsello, et al. "Importance of Follow-up Imaging in the Detection of Delayed Type 2 Endoleaks Despite Complete Aneurysmal Sac Shrinkage." Vascular and Endovascular Review 2, no. 1 (2019): 53–55. http://dx.doi.org/10.15420/ver.2019.2.2.

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Type 2 endoleaks usually constitute a benign and self-limited phenomenon, which rarely leads to aneurysmal sac expansion. However, in a small subset of patients, a persistent type 2 endoleak might pressurise the aneurysmal sac causing expansion. The authors present two cases with delayed new-onset type 2 endoleak. One occurred after standard endovascular aortic repair and the other after chimney endovascular aortic repair, causing expansion of the aneurysmal sac after a period of complete aneurysmal sac shrinkage. Accordingly, there is a risk of sac re-expansion due to delayed onset endoleaks,

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Pasqui, Edoardo, Gianmarco de Donato, Cecilia Molino, et al. "Residual Aneurysmal Sac Shrinkage Post-Endovascular Aneurysm Repair: The Role of Preoperative Inflammatory Markers." Biomedicines 11, no. 7 (2023): 1920. http://dx.doi.org/10.3390/biomedicines11071920.

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Introduction: In this study, we evaluated the role of preoperative inflammatory markers as Neutrophil-to-Lymphocyte (NLR) and Platelet-to-Lymphocyte (PLR) ratios in relation to post-endovascular aneurysm repair (EVAR) sac shrinkage, which is known to be an important factor for abdominal aortic aneurysm (AAA) healing. Methods: This was a single-center retrospective observational study. All patients who underwent the EVAR procedure from January 2017 to December 2020 were eligible for this study. Pre-operative blood samples of all patients admitted were used to calculate NLR and PLR. Sac shrinkag

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Gao, Xu, Chao Liu, Zhonghe Shui, and Rui Yu. "Effects of Expansive Additives on the Shrinkage Behavior of Coal Gangue Based Alkali Activated Materials." Crystals 11, no. 7 (2021): 816. http://dx.doi.org/10.3390/cryst11070816.

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The suitability of applying shrinkage reducing additives in alkali activated coal gangue-slag composites is discussed in this study. The effect of sulphoaluminate cement (SAC), high performance concrete expansion agent (HCSA) and U-type expansion agent (UEA) on the reaction process, shrinkage behavior, phase composition, microstructure and mechanical properties are evaluated. The results show that the addition of SAC slightly mitigates the early stage reaction process, while HCSA and UEA can either accelerate or inhibit the reaction depending on their dosage. The addition of SAC presents an id

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Baklizi, Ayman, and Walid Abu Dayyeh. "Shrinkage Estimation ofP(Y." Communications in Statistics - Simulation and Computation 32, no. 1 (2003): 31–42. http://dx.doi.org/10.1081/sac-120013109.

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Thèses sur le sujet "Sac shrinkage"

AHMED, MOHAMED MOHAMED NORAH. "The innovation of Multilayered Aneurysm Repair Stents (MARS) in treatment of thoraco-abdominal aneurysms." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/41912.

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Background Morbidity and mortality from Thoraco-abdominal aneurysms are tremendous. Preoperative assessment in predicting cardiac and pulmonary risk factors in order to reduce cardiopulmonary complications, paraplegia, and renal failure are the main determinants of postoperative mortality and therefore gained substantial attention during the last decades.(Jacobs MJ et al.,2007) Left heart by-pass, CSF drainage and epidural cooling have significantly reduced the paraplegia rates. Monitoring MEPs allowed detection of cord ischemia,(spinal cord ischemic injury, SCII) guiding aggressive surgical

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Livres sur le sujet "Sac shrinkage"

Kahn, S. Lowell. Creation of a Flow-Modulating Stent Using Multilayered Wallstents for Aneurysm Exclusion. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0011.

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Abdominal aortic aneurysms (AAAs) are a common pathology that is found in 4–9% of patients in the developed world. Risk factors for AAAs include age, male sex, family history, comorbid cardiovascular disease, and smoking. Despite the male predominance of the disease, rupture occurs at a smaller diameter in females, and the outcomes are poorer in this subgroup. Flow-modulating stents are a relatively new development and consist of multilayered bare-metal self-expanding stents. Despite the inherent porosity of the stents, the interconnected stent matrix features flow-diverting properties that pr

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Chapitres de livres sur le sujet "Sac shrinkage"

Tan, Yuxiang, Weizhuo Shi, Bo Li, and Yung-Tsang Chen. "Effects of Superabsorbent Polymers and Natural Zeolite on the Properties and Pore Structure of Ultra-High-Performance Concretes." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_28.

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AbstractUltra-high-performance concrete (UHPC) often faces challenges due to its low water-to-binder ratio. In this case, cement particles will be unable to fully hydrate, resulting in a high degree of initial dimensional instability. As a promising solution, superabsorbent polymers (SAP) and natural zeolite have potential in mitigating shrinkage and achieving self-stressing properties. Despite prior research on strength, shrinkage, and hydration of UHPC, no systematic study has examined the effects of SAP and natural zeolite on porosity and pore structure. To address this gap, a holistic test

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Mechtcherine, Viktor, and Lukasz Dudziak. "Effects of Superabsorbent Polymers on Shrinkage of Concrete: Plastic, Autogenous, Drying." In Application of Super Absorbent Polymers (SAP) in Concrete Construction. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2733-5_7.

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Francinete, Paulo, Eugênia Fonseca da Silva, and Anne Neiry de Mendonça Lopes. "Comparative Study Between Strain Gages for Determination of Autogenous Shrinkage." In 3rd International Conference on the Application of Superabsorbent Polymers (SAP) and Other New Admixtures Towards Smart Concrete. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33342-3_13.

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Liu, Junguo, Ganquan Mao, Shuyu Zhang, et al. "Surface Water." In Water Resources in the Lancang-Mekong River Basin: Impact of Climate Change and Human Interventions. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0759-1_3.

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AbstractThis chapter assesses surface water changes due to climate change and human activities, by particularly examining runoff and streamflow. Changes in the hydrological cycle due to climate change and human intervention can lead to diverse environmental impacts and risks. Fresh water is the agent that delivers many of the impacts of climate change on society. As the major component of freshwater systems, surface water has been significantly altered across basins in terms of spatial and temporal characteristics. The comprehensive understanding of the current status of surface water in the L

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Filho, José Roberto Tenório, Maria Adelaide Pereira Gomes de Araújo, Didier Snoeck, Els Mannekens, and Nele De Belie. "Exploring Different Choices of “Time Zero” in the Autogenous Shrinkage Deformation of Cement Pastes Containing Superabsorbent Polymers." In 3rd International Conference on the Application of Superabsorbent Polymers (SAP) and Other New Admixtures Towards Smart Concrete. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33342-3_12.

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Gómez-Soberón, J. M., J. C. Gómez-Soberón, and L. A. Gómez-Soberón. "SHRINKAGE AND CREEP OF RECYCLED CONCRETE INTERPRETED BY THE POROSITY OF THEIR AGGREGATE." In Challenges of Concrete Construction: Volume 5, Sustainable Concrete Construction. Thomas Telford Publishing, 2002. http://dx.doi.org/10.1680/scc.31777.0057.

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Jindal, Abhishek, and Divya Mehra. "An Experimental Study on Internal Curing of Concrete with the Inclusion of Recycled Superabsorbent Polymer (SAP)." In Advances in Transdisciplinary Engineering. IOS Press, 2024. https://doi.org/10.3233/atde241021.

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Concrete, as a widely used construction material, is prone to various issues such as early-age shrinkage, cracking, and reduced durability. Internal curing, a technique aimed at providing a continuous source of moisture within the concrete matrix, has come to light as a possible approach for above mentioned issues. This study investigates the utilization of hydrogel (as a recycled form of SAP) derived from ice gel packs as an Internal Curing Agent (ICA) in concrete. Ice gel packs, commonly used for cold therapy (in many industries such as the medical field, cold storage, etc) contain Superabso

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Actes de conférences sur le sujet "Sac shrinkage"

Pira, Jenny, Fabián Lamus, Juan Lizarazo, Patricia Luna, and Juan Reyes. "Flexural experimental assessment of ductility of SFRC beams using longitudinal reinforcing bars." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0113.

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<p>Nowadays, products are available to improve the performance of reinforced concrete elements, such as short fibers, which are available in different geometries and aspect ratios. However, the regulations and standards for building construction do not allow its use in elements of the seismic resistance system. Therefore, a composite material called SFRC (steel fiber reinforced concrete) is being widely used in slabs, shells, or coatings as reinforcement to replace welded wire meshes or as a control system for shrinkage and pressure cracks in tunnels. For this research, SFRC specimens we

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Vedani, Sébastien, Séverine Petitprez, Eva Weinz, et al. "Predictors and Consequences of Sac Shrinkage after Endovascular Infrarenal Aneurysm Repair." In PAIRS 2023 Annual Congress. Thieme Medical and Scientific Publishers Pvt. Ltd., 2023. http://dx.doi.org/10.1055/s-0043-1763396.

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Yang, Y. P., H. Castner, R. Dull, et al. "Complex-Panel Weld Shrinkage Data Model for Neat Construction Ship Design Engineering." In SNAME Maritime Convention. SNAME, 2012. http://dx.doi.org/10.5957/smc-2012-p07.

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Weld shrinkage data models were developed for thin uniform and complex ship-panels to predict in-plane shrinkage. The complex features in the thin panels include cutouts, inserts, multiple thicknesses, and non-rectangular shaped panels. By analyzing the measured data, it was found that there was no clear indication that a cutout affected the overall panel in-plane shrinkage although it induced more out-of-plane distortion. It was observed that the inserts induced additional butt joint across-weld and along-weld shrinkage and did not affect the fillet-weld shrinkage. The weld shrinkage data mod

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Chen, Yilun, Ami Wiesel, and Alfred O. Hero. "Robust shrinkage estimation of high-dimensional covariance matrices." In 2010 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, 2010. http://dx.doi.org/10.1109/sam.2010.5606730.

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Heo, H. Y., D. H. Youn, and H. Chung. "Stochastic Assessment and Applications for Welding Shrinkage Impact on Production Cost." In SNAME Maritime Convention. SNAME, 2012. http://dx.doi.org/10.5957/smc-2012-p52.

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Since ship hull blocks are constructed by assembling numerous intermediate parts, negligible dimensional variations in the parts can easily accumulate to cause serious misalignment in block erection stage. Considering the welding – the primary joining process in ship production which inherently causes distortions, the quality of block’s dimensional variations during the assembly would deteriorate even faster. Thinking that the intermediate products with low dimensional quality in the ship production are not scrapped but reworked, the productivity of each workstation greatly depends on the dime

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Dlugokecki, Victoria, James R. Dydo, Dennis Fanguy, et al. "Implementing Neat Construction in a Mid-Tier Shipyard: The Story of How Bollinger and Vigor Shipyards are Moving Toward Zero Stock Construction." In SNAME Maritime Convention. SNAME, 2013. http://dx.doi.org/10.5957/smc-2013-p13.

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In June 2010, NSRP awarded the project entitled “Weld Shrinkage and Distortion Allowance Data Model for Neat Construction Ship Design Engineering,” a collaborative research project which included four shipyard team members; Bollinger Shipyards, HHI- Ingalls Shipyard, Vigor Shipyard (Seattle), and Marinette Marine Corporation. The purpose of the project was to provide comprehensive weld shrinkage and distortion solutions intended to enable neat construction capability across the U.S. shipbuilding industry. This paper will provide highlights of the NSRP project and describe how two of the partic

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Selivyorstova, Tatjana, and Aleksandr Mikhalyov. "Analysis of Prediction Mathematical Models of Shrinkage Defects in Castings." In 2018 IEEE First International Conference on System Analysis & Intelligent Computing (SAIC). IEEE, 2018. http://dx.doi.org/10.1109/saic.2018.8516811.

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Antonić, Branislav. "CITIES IN SERBIA AFTER THE CENSUS 2022: REDEVELOPMENT THORUGH URBAN SHRINKAGE!?" In 20th SCIENTIFIC-PROFESSIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION “URBANISM AND SUSTAINABLE DEVELOPMENT”. Serbian Town Planner Association, 2024. http://dx.doi.org/10.46793/urbanizam24.129a.

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Demographic results extracted from the national census in Serbia in 2022 reveal the big population decrease in the country. This reflects on the state of 167 Serbian cities. The census data shows that only 11% of urban settlements in Serbia demographically grew between 2011 and 2022. This data is even more severe if it is known that most of growing cities are in the urban areas of Belgrade and Novi Sad. This paper first presents the review of (the shrinkage) of Serbian cities by the population census in 2022; then, it opens a discussion about who apparently ubiquitous urban shrinkage can be ut

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Beaumont, John P. "Shrinkage and Warpage Analysis of Plastic Injection Molded Parts." In SAE International Congress and Exposition. SAE International, 1989. http://dx.doi.org/10.4271/890626.

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Kumar, Lalan, Rohan Mandala, and Rajesh M. Hegde. "MUSIC-group delay based methods for robust DOA estimation using shrinkage estimators." In 2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, 2012. http://dx.doi.org/10.1109/sam.2012.6250489.

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Rapports d'organisations sur le sujet "Sac shrinkage"

Yang, Yu, Hen-Geul Yeh, and Cesar Ortiz. Battery Management System Development for Electric Vehicles and Fast Charging Infrastructure Improvement. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2325.

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The electric vehicle (EV) has become increasingly popular due to its being zero-emission. However, a significant challenge faced by EV drivers is the range anxiety associated with battery usage. Addressing this concern, this project develops a more efficient battery management system (BMS) for electric vehicles based on a real-time, state-of-charge (SOC) estimation. The proposed study delivers three modules: (1) a new equivalent circuit model (ECM) for lithium-ion batteries, (2) a new SOC estimator based on the moving horizon method, and (3) an on-board FPGA implementation of the classical Cou

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Chung, Steve, Jaymin Kwon, and Yushin Ahn. Forecasting Commercial Vehicle Miles Traveled (VMT) in Urban California Areas. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2315.

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This study investigates commercial truck vehicle miles traveled (VMT) across six diverse California counties from 2000 to 2020. The counties—Imperial, Los Angeles, Riverside, San Bernardino, San Diego, and San Francisco—represent a broad spectrum of California’s demographics, economies, and landscapes. Using a rich dataset spanning demographics, economics, and pollution variables, we aim to understand the factors influencing commercial VMT. We first visually represent the geographic distribution of the counties, highlighting their unique characteristics. Linear regression models, particularly

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